351 [ 174] 
ENCAMPMENT ON THE SourH FORK OF PLATTE RIVER. 
| Determination of lime, June 30, 18 3—altitude of the sun JV. 
OBSERVATION. 
Doub’e alt:tude of the sun’s lower limb. Time of chronometer. 
i 2S Se ean 
Dex, ming see, he mini gre. 
25 25 . 6 18 34, 0 
Index error = + 1 min. 27 sec. « 
RESULT OF CALCULATION. . 
Pp 
Mean time. Z Advance. 
Determination of latitude—meridian altitude of « Aquilz. 
OBSERVATION. 
rr SEO gg 
Double altitude of a Aquilz. | True altitude. Latitude, _. 
Seeenaneiien nit eas ee i 
Dez, min. sec. Dg. min. sr, De. min. see, 
1156 = Gt CB a. a eS a 3 @ 
rene tnlieeienenenipesunning ——$—$__—. 
sha; ses CHT 
a ye * -™ — 
